question on large silver

[marjam]

I went out today with my dfx and was pretty successful, found a 61 Rosie. I was running in 3 kHz and the vdi was reading 79-81, what a clad dime would in 15 kHz. I thought this was a bit high but it got me to thinking if I was missing silver quarters that were reading higher as well. I have never found a higher denomination silver coin than a dime, so I was wondering if any of you could share your experience on silver quarters especially, what is the highest they have came in on the vdi scale in 3 khz, if they bounced from the 80s to iron, etc. I started hunting in 3 kHz with normalization off to pull the numbers down due to my suspicion that the silver in my ground was reading off the vdi scale. Thanks for any info.

 

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[wingmaster]

I know with my MXT the silver quarters come in at 88 or 90 usually, where the clad is always 86 usually. I've found some deep silver quarters that came in at 86 but only a couple times. HH

 

[cudamark]

Same here. I don't use a DFX but have used other White's machines and they usually read 82-3 for a silver dime and 87-9 on a silver quarter in normal ground. 2-3 digits less on clad the same denomination. In highly mineralized ground, they can read down into the low 60's if the coin got really corroded. I haven't had them read higher than normal in my area.

 

[marjam]

Same here. I don't use a DFX but have used other White's machines and they usually read 82-3 for a silver dime and 87-9 on a silver quarter in normal ground. 2-3 digits less on clad the same denomination. In highly mineralized ground, they can read down into the low 60's if the coin got really corroded. I haven't had them read higher than normal in my area.

Thanks for the info guys. Since I was running in 3khz, like you all I was expecting that dime would be just a little higher than clad. In 3 kHz a clad dime comes in at about 67, and the one I dug yesterday read 79-81. It just got me to wondering if silver quarters and larger were higher than I would normally think. It may be that I haven't passed the coil over one yet too. But it's not like I am a newbie either. I have been detecting off and on for about 15 years now, and pretty steady the past 6 years. I go to places old enough to have silver quarters too, so it truly is a mystery as to why I haven't found at least one.

Thanks again.